Jeff Dike | 53b1733 | 2006-11-02 22:07:22 -0800 | [diff] [blame^] | 1 | #ifndef __SYSDEP_X86_64_BARRIER_H |
2 | #define __SYSDEP_X86_64_BARRIER_H | ||||
3 | |||||
4 | /* Copied from include/asm-x86_64 for use by userspace. */ | ||||
5 | #define mb() asm volatile("mfence":::"memory") | ||||
6 | |||||
7 | #endif |